| 摘要 |
1509999 Shaft seals W HUNGER 26 June 1975 [26 June 1974 21 Aug 1974 24 Dec 1974] 27177/75 Heading F2T A seal for a hydraulic piston or piston rod comprises one or more ring seals 41 having a sealing lip 39 in contact with the sliding surface 30 and a sliding guide ring 46 of abrasion resistant material bearing on the surface 38 and disposed in a converging sided 51, 52 annular groove in the ring seal. The base of the groove may be curved 47 and the seal may have a drag oil stripper lip 40. A plurality of seals may be used in a single or separate grooves in the body to be sealed. |
